Several separate scenes from World War I. Brief glimpse of 4th Liberty Loan parade in Pittsburgh, Pennsylvania, during the First World War. The Liberty Loan Committee with group of persons standing in front of their stand. Employees of Heyl & Patterson Inc. carry a banner announcing 100% subscription in the 4th Liberty Loan drive. Sign on street pole tells directions to the American Locomotive Pittsburgh works. Scene changes to London,England, where British Army drummers stand and play in front of a YMCA building. People in crowd behind them wave American flags. Americans, including YMCA workers, soldiers, sailors, nurses, and English friends celebrate in a parade,accompanied by a British Army band and escorted by London Bobbies (policemen). Revelers ride in cars bedecked with American flags. Many ride on Army trucks. U.S. officers ride in staff cars. Another change of scene shows a U.S. Navy cinematographer cranking his camera, while standing in an open car. The car has a sign on its side reading: "Photographic Division, U.S. Navy." Another sailor sits in driver's seat while a third keeps pedestrians clear from the camera line of sight.